Correlations for all pairs of data series (method=kendall)
	Pageviews	Total_Time_spent_in_rfc	Logins	Course_Compendium_Views	Compendium_Views_pr_only	Blogged_Computations	Reviewed_Compendiums	submitted_Feedback_Messages_in_Peer_Reviews	Number_of_characters	Total_number_of_revisions	Total_Time	Hyperlinks	Blogs
Pageviews	1	0.731	0.673	0.851	0.513	0.6	0.47	0.464	0.454	0.473	0.545	0.507	0.509
Total_Time_spent_in_rfc	0.731	1	0.604	0.683	0.444	0.614	0.482	0.485	0.507	0.545	0.685	0.594	0.595
Logins	0.673	0.604	1	0.615	0.417	0.477	0.431	0.423	0.425	0.432	0.517	0.485	0.483
Course_Compendium_Views	0.851	0.683	0.615	1	0.504	0.557	0.416	0.406	0.416	0.451	0.503	0.474	0.478
Compendium_Views_pr_only	0.513	0.444	0.417	0.504	1	0.39	0.418	0.4	0.334	0.307	0.325	0.351	0.343
Blogged_Computations	0.6	0.614	0.477	0.557	0.39	1	0.491	0.501	0.523	0.594	0.57	0.652	0.652
Reviewed_Compendiums	0.47	0.482	0.431	0.416	0.418	0.491	1	0.904	0.375	0.356	0.428	0.441	0.436
submitted_Feedback_Messages_in_Peer_Reviews	0.464	0.485	0.423	0.406	0.4	0.501	0.904	1	0.389	0.377	0.423	0.447	0.442
Number_of_characters	0.454	0.507	0.425	0.416	0.334	0.523	0.375	0.389	1	0.604	0.58	0.602	0.603
Total_number_of_revisions	0.473	0.545	0.432	0.451	0.307	0.594	0.356	0.377	0.604	1	0.644	0.671	0.677
Total_Time	0.545	0.685	0.517	0.503	0.325	0.57	0.428	0.423	0.58	0.644	1	0.664	0.666
Hyperlinks	0.507	0.594	0.485	0.474	0.351	0.652	0.441	0.447	0.602	0.671	0.664	1	0.972
Blogs	0.509	0.595	0.483	0.478	0.343	0.652	0.436	0.442	0.603	0.677	0.666	0.972	1

Correlations for all pairs of data series with p-values
pair	Pearson r	Spearman rho	Kendall tau
Pageviews;Total_Time_spent_in_rfc	0.9102	0.8808	0.7309
p-value	(0)	(0)	(0)
Pageviews;Logins	0.7382	0.8387	0.6733
p-value	(0)	(0)	(0)
Pageviews;Course_Compendium_Views	0.9668	0.9666	0.8514
p-value	(0)	(0)	(0)
Pageviews;Compendium_Views_pr_only	0.5952	0.6771	0.5131
p-value	(0)	(0)	(0)
Pageviews;Blogged_Computations	0.7887	0.778	0.6001
p-value	(0)	(0)	(0)
Pageviews;Reviewed_Compendiums	0.7208	0.6256	0.4702
p-value	(0)	(0)	(0)
Pageviews;submitted_Feedback_Messages_in_Peer_Reviews	0.7176	0.6262	0.4644
p-value	(0)	(0)	(0)
Pageviews;Number_of_characters	0.6572	0.6085	0.4541
p-value	(0)	(0)	(0)
Pageviews;Total_number_of_revisions	0.6432	0.6317	0.4726
p-value	(0)	(0)	(0)
Pageviews;Total_Time	0.7312	0.712	0.5451
p-value	(0)	(0)	(0)
Pageviews;Hyperlinks	0.6932	0.6748	0.5069
p-value	(0)	(0)	(0)
Pageviews;Blogs	0.6934	0.6784	0.5089
p-value	(0)	(0)	(0)
Total_Time_spent_in_rfc;Logins	0.7107	0.7824	0.604
p-value	(0)	(0)	(0)
Total_Time_spent_in_rfc;Course_Compendium_Views	0.8828	0.8493	0.6826
p-value	(0)	(0)	(0)
Total_Time_spent_in_rfc;Compendium_Views_pr_only	0.4866	0.6031	0.4444
p-value	(0)	(0)	(0)
Total_Time_spent_in_rfc;Blogged_Computations	0.8083	0.7804	0.6138
p-value	(0)	(0)	(0)
Total_Time_spent_in_rfc;Reviewed_Compendiums	0.7512	0.6356	0.4824
p-value	(0)	(0)	(0)
Total_Time_spent_in_rfc;submitted_Feedback_Messages_in_Peer_Reviews	0.7542	0.6448	0.4852
p-value	(0)	(0)	(0)
Total_Time_spent_in_rfc;Number_of_characters	0.7119	0.661	0.5066
p-value	(0)	(0)	(0)
Total_Time_spent_in_rfc;Total_number_of_revisions	0.7309	0.7175	0.5446
p-value	(0)	(0)	(0)
Total_Time_spent_in_rfc;Total_Time	0.8613	0.8472	0.6846
p-value	(0)	(0)	(0)
Total_Time_spent_in_rfc;Hyperlinks	0.7831	0.7664	0.5936
p-value	(0)	(0)	(0)
Total_Time_spent_in_rfc;Blogs	0.783	0.7695	0.595
p-value	(0)	(0)	(0)
Logins;Course_Compendium_Views	0.6661	0.7829	0.615
p-value	(0)	(0)	(0)
Logins;Compendium_Views_pr_only	0.4339	0.5658	0.4174
p-value	(0)	(0)	(0)
Logins;Blogged_Computations	0.5447	0.6497	0.477
p-value	(0)	(0)	(0)
Logins;Reviewed_Compendiums	0.5876	0.5827	0.4314
p-value	(0)	(0)	(0)
Logins;submitted_Feedback_Messages_in_Peer_Reviews	0.5867	0.576	0.4232
p-value	(0)	(0)	(0)
Logins;Number_of_characters	0.5254	0.583	0.4246
p-value	(0)	(0)	(0)
Logins;Total_number_of_revisions	0.4938	0.5917	0.4316
p-value	(0)	(0)	(0)
Logins;Total_Time	0.5898	0.6846	0.5169
p-value	(0)	(0)	(0)
Logins;Hyperlinks	0.5633	0.6526	0.4849
p-value	(0)	(0)	(0)
Logins;Blogs	0.5594	0.6505	0.4833
p-value	(0)	(0)	(0)
Course_Compendium_Views;Compendium_Views_pr_only	0.5782	0.6693	0.5039
p-value	(0)	(0)	(0)
Course_Compendium_Views;Blogged_Computations	0.7291	0.7346	0.5568
p-value	(0)	(0)	(0)
Course_Compendium_Views;Reviewed_Compendiums	0.6313	0.5654	0.416
p-value	(0)	(0)	(0)
Course_Compendium_Views;submitted_Feedback_Messages_in_Peer_Reviews	0.6265	0.5623	0.4064
p-value	(0)	(0)	(0)
Course_Compendium_Views;Number_of_characters	0.595	0.5666	0.4161
p-value	(0)	(0)	(0)
Course_Compendium_Views;Total_number_of_revisions	0.6087	0.6137	0.451
p-value	(0)	(0)	(0)
Course_Compendium_Views;Total_Time	0.687	0.669	0.5028
p-value	(0)	(0)	(0)
Course_Compendium_Views;Hyperlinks	0.635	0.6366	0.4739
p-value	(0)	(0)	(0)
Course_Compendium_Views;Blogs	0.636	0.6425	0.478
p-value	(0)	(0)	(0)
Compendium_Views_pr_only;Blogged_Computations	0.3154	0.5326	0.3896
p-value	(0)	(0)	(0)
Compendium_Views_pr_only;Reviewed_Compendiums	0.3686	0.5568	0.4181
p-value	(0)	(0)	(0)
Compendium_Views_pr_only;submitted_Feedback_Messages_in_Peer_Reviews	0.3589	0.5418	0.4002
p-value	(0)	(0)	(0)
Compendium_Views_pr_only;Number_of_characters	0.2934	0.4631	0.3341
p-value	(1e-04)	(0)	(0)
Compendium_Views_pr_only;Total_number_of_revisions	0.2146	0.4297	0.3074
p-value	(0.0058)	(0)	(0)
Compendium_Views_pr_only;Total_Time	0.2545	0.4531	0.3246
p-value	(0.001)	(0)	(0)
Compendium_Views_pr_only;Hyperlinks	0.2463	0.4841	0.3512
p-value	(0.0015)	(0)	(0)
Compendium_Views_pr_only;Blogs	0.2453	0.4745	0.3428
p-value	(0.0015)	(0)	(0)
Blogged_Computations;Reviewed_Compendiums	0.7405	0.6446	0.491
p-value	(0)	(0)	(0)
Blogged_Computations;submitted_Feedback_Messages_in_Peer_Reviews	0.7496	0.662	0.5012
p-value	(0)	(0)	(0)
Blogged_Computations;Number_of_characters	0.7086	0.6842	0.5233
p-value	(0)	(0)	(0)
Blogged_Computations;Total_number_of_revisions	0.78	0.7704	0.5943
p-value	(0)	(0)	(0)
Blogged_Computations;Total_Time	0.7771	0.7372	0.5704
p-value	(0)	(0)	(0)
Blogged_Computations;Hyperlinks	0.8349	0.8191	0.6515
p-value	(0)	(0)	(0)
Blogged_Computations;Blogs	0.8352	0.8216	0.6515
p-value	(0)	(0)	(0)
Reviewed_Compendiums;submitted_Feedback_Messages_in_Peer_Reviews	0.9837	0.9609	0.9036
p-value	(0)	(0)	(0)
Reviewed_Compendiums;Number_of_characters	0.6841	0.5099	0.375
p-value	(0)	(0)	(0)
Reviewed_Compendiums;Total_number_of_revisions	0.6188	0.4904	0.3564
p-value	(0)	(0)	(0)
Reviewed_Compendiums;Total_Time	0.6848	0.5689	0.4284
p-value	(0)	(0)	(0)
Reviewed_Compendiums;Hyperlinks	0.6711	0.5823	0.4408
p-value	(0)	(0)	(0)
Reviewed_Compendiums;Blogs	0.6689	0.5771	0.4357
p-value	(0)	(0)	(0)
submitted_Feedback_Messages_in_Peer_Reviews;Number_of_characters	0.6886	0.5346	0.3894
p-value	(0)	(0)	(0)
submitted_Feedback_Messages_in_Peer_Reviews;Total_number_of_revisions	0.6303	0.5175	0.3768
p-value	(0)	(0)	(0)
submitted_Feedback_Messages_in_Peer_Reviews;Total_Time	0.6822	0.5669	0.4226
p-value	(0)	(0)	(0)
submitted_Feedback_Messages_in_Peer_Reviews;Hyperlinks	0.6811	0.5952	0.4469
p-value	(0)	(0)	(0)
submitted_Feedback_Messages_in_Peer_Reviews;Blogs	0.6784	0.5897	0.4418
p-value	(0)	(0)	(0)
Number_of_characters;Total_number_of_revisions	0.772	0.7647	0.6038
p-value	(0)	(0)	(0)
Number_of_characters;Total_Time	0.7936	0.7491	0.5804
p-value	(0)	(0)	(0)
Number_of_characters;Hyperlinks	0.7639	0.7532	0.602
p-value	(0)	(0)	(0)
Number_of_characters;Blogs	0.7641	0.7554	0.6032
p-value	(0)	(0)	(0)
Total_number_of_revisions;Total_Time	0.8221	0.8143	0.644
p-value	(0)	(0)	(0)
Total_number_of_revisions;Hyperlinks	0.8593	0.8349	0.6712
p-value	(0)	(0)	(0)
Total_number_of_revisions;Blogs	0.8616	0.8411	0.6768
p-value	(0)	(0)	(0)
Total_Time;Hyperlinks	0.8509	0.8246	0.6638
p-value	(0)	(0)	(0)
Total_Time;Blogs	0.8504	0.8277	0.6662
p-value	(0)	(0)	(0)
Hyperlinks;Blogs	0.9983	0.9968	0.9719
p-value	(0)	(0)	(0)